New York: The Macmillan Company, 1920. Hardcover. Second Edition. Originally published in 1914, revised in 1915. Blue cloth board with a Kolb Brothers photograph of the interior of the Grand Canyon reproduced in color and pasted into red Southwest inspired border on cover board. Gold embossed titiling to cover board and spine. Light scuffing overall, wear at corners. Text block slightly loose in boards. Previous owner's name in pencil on first free endpaper, and a note, "Summer reading for 1923." Minor staining to preliminary pages due to quality of paper. Illustrated with dozens of Kolb Brothers photographs that document the Canyon and their trips. Good.